5310-00-545-3649 WASHER,SPLIT Index 4820-00-545-3683 SEAT,VALVE

National Stock Number:
5310-00-545-3651

Federal Supply Class:
5310

National Item Identification Number:
005453651

Description:
NUT,PLAIN,HEXAGON

Detail:
A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see LOCKNUT, ELECTRICAL CONDUIT. See also LOCKNUT, TUBE FITTING. For items having a thickness (or height) exceeding two times the width across the flats, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. (When height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)


Manufacturer Information:
231421-472447DANA COMMERCIAL VEHICLE MANUFACTURING, LLC
500371-472447DANA COMMERCIAL VEHICLE MANUFACTURING, LLC


Techincal Specification:
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
COUNTERSINK ANGLE105.0 DEGREES NOMINAL NUT
HARDNESS RATING85.5 ROCKWELL B MINIMUM
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.438 INCHES
NUT HEIGHT0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.675 INCHES MINIMUM AND 0.688 INCHES MAXIMUM
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH20
THREAD SERIESUNF


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